What is Black Light
A black light, also known as an ultraviolet (UV) lamp or UV-A light, is a type of lamp that emits ultraviolet light. It is named “black light” because the emitted light is outside the range of human vision, appearing as a dark glow when the lamp is turned on in a dark room. The inventor of glass UV filters, Robert Williams Wood, is honored with the term “Wood’s lamp.”
Unlike regular light bulbs that primarily emit visible light, a black light emits most of its light in the UV portion of the spectrum, with very little visible light. This makes it useful for applications that require UV radiation, such as counterfeit detection, forensic investigations, and entertainment purposes like creating special effects.
人感センサーを活用した省エネソリューションをお探しですか？
PIR人感センサー、人感センサー搭載省エネ製品、人感センサースイッチ、商業施設向けOccupancy/Vacancy（在室/不在）ソリューションについては、お気軽にお問い合わせください。
The glow observed under a black light is caused by phosphors, which are substances that emit visible light in response to radiation. When the UV radiation emitted by the black light interacts with phosphors, it is converted into visible light, resulting in the characteristic purplish glow.
こちらの商品もおすすめです
- 無電圧接点リレー出力付き天井取り付け型PIR人感センサー
- 12/24VDCまたは12/24VAC低電圧電源
- EMS、HVAC、および建物制御入力用COM、NO、NC絶縁リレー接点
- 低電圧DC天井埋め込み型マイクロ波人感センサースイッチ
- 10～30 VDC範囲の12 VDC / 24 VDC入力
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた最大動作電流10A仕様
- 高負荷対応型 埋込型天井取付けマイクロ波人感センサースイッチ
- 100-265 VAC 商用電源入力、10Aモデル
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた5.8 GHzマイクロ波検知
- 埋込型天井取付けマイクロ波人感センサースイッチ
- 100-265 VAC商用電圧入力、5Aモデル
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた5.8 GHzマイクロ波検知
- 220V電源対応 天井取付けRZ037 PIR（赤外線）人感センサー調光器
- 定格負荷660W、最大動作電流3A
- LUXボタンによる照度センサーのON/OFFおよびユーザー設定の調光明るさ制御
- 110V電源対応 天井取付けRZ037 PIR（赤外線）人感センサー調光器
- 定格負荷330W、最大動作電流3A
- LUXボタンによる照度センサーのON/OFFおよびユーザー設定の調光明るさ制御
- 低電圧DC対応 天井取付けマイクロ波人感センサースイッチ
- 10～30 VDC範囲の12 VDC / 24 VDC入力
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた最大動作電流10A仕様
- 高負荷対応 天井取付型マイクロ波人感センサースイッチ
- 100-265 VAC 商用電源入力、10Aモデル
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた5.8 GHzマイクロ波検知
- 天井取り付け型マイクロ波人感センサースイッチ
- 100-265 VAC商用電圧入力、5Aモデル
- 調整可能なタイムラグ、照度（Lux）閾値、感度を備えた5.8 GHzマイクロ波検知
- 低電圧DC埋込型天井PIR人感センサースイッチ
- 10～30 VDC範囲の12 VDC / 24 VDC入力
- 最大動作電流10A（調整可能なタイムラグ、照度閾値、感度設定付き）
- 高負荷対応 埋込型天井PIR人感センサースイッチ
- 100-265 VAC 商用電源入力、10Aモデル
- 360度検知（調整可能なタイムラグ、照度閾値、感度設定付き）
- 埋込型天井PIR人感センサースイッチ
- 100-265 VAC商用電圧入力、5Aモデル
- 360度検知（調整可能なタイムラグ、照度閾値、感度設定付き）
- 屋内用照明ON/OFF制御ワイヤレススイッチ＆受信機キット
- 100-230VAC、50/60Hz、定格電流5A受信機
- 2.4GHz通信対応 CR2032電池駆動ワイヤレススイッチ
- Occupancy（自動点灯/自動消灯）
- 12–24V DC (10–30VDC)、最大10A
- 360°検知エリア、直径8–12m
- タイムラグ 15秒–30分
- 照度センサー オフ/15/25/35 Lux
- 高/低感度
- 自動点灯/自動消灯人感モード
- 100–265V AC, 10A（中性線必須）
- 360°検知範囲、検知直径8–12 m
- タイムデレイ15秒–30分、Lux OFF/15/25/35、感度 高/低
- 自動点灯/自動消灯人感モード
- 100–265V AC, 5A（中性線必須）
- 360°検知範囲、検知直径8–12 m
- タイムデレイ15秒–30分、Lux OFF/15/25/35、感度 高/低
- 100V-230VAC
- 伝送距離：最大20m
- ワイヤレス人感センサー
- 有線制御
よくある質問
What Color Light Kills Mold
UV-A, also known as black light, is a common type of light. UV-B is derived from the sun. On the other hand, UV-C has the ability to eliminate mold, bacteria, and mildew. It is frequently utilized in medical settings to safeguard equipment.
What Is the Difference Between a UV Light and a Black Light
For instance, blacklights have various applications such as examining objects under a microscope and detecting bloodstains on clothing. On the other hand, UV lights are primarily used for sterilizing medical instruments and other items. Additionally, they are utilized to determine the level of contamination on photographic paper, which is crucial for archiving photos.
What Does a Black Light Do to a Room
If you switch on a black light bulb in a dimly lit room, you will notice a distinct purplish illumination emitted by the bulb. However, what remains invisible to the naked eye is the ultraviolet light that the bulb is concurrently emitting. It is important to note that our eyes are capable of perceiving visible light within a spectrum that encompasses colors such as red, orange, yellow, green, blue, and violet.
Is a Black Light the Same as a LED
Black light technology is easily achievable with LED technology. LED’s have the capability to emit light at various wavelengths, including the range of 385-400nm which is commonly associated with black light. However, it is generally believed that a slightly lower wavelength is ideal for achieving the best black light effect.
How Harmful Is Blacklight
Exposure to UVA from black lights is considered to be below the recognized safe limits and does not pose a hazard to individuals using them, working in their vicinity, or having them in their home. UVA is believed to contribute to premature aging and has recently been associated with certain skin cancers, although UVB is the primary cause of skin cancer.
